Patents by Inventor Li-Ling Lin

Li-Ling Lin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Dye for optical recording medium
    Patent number: 6689872
    Abstract: An optical recording medium dye is described. The optical recording medium dye is an azo metal chelate compound, wherein the azo metal chelate compound comprises the following structure: wherein R1 is a hydrogen atom, a C1-6 straight chain or branched alkyl group, an amino group, an alkylamino group or a tolylamino group; R2 is a hydrogen atom, a hydroxyl group, a halogen atom, an ether group, a C1-6 straight chain or branched alkyl group; R3 is a hydrogen atom, a C1-6 straight chain or branched alkyl group; R4 is a hydrogen atom, a C1-6 straight chain or branched alkyl group or a halogen atom; A3 is a residue forming a heterocyclic ring derivative together with a carbon atom and a nitrogen atom.
    Type: Grant
    Filed: September 17, 2002
    Date of Patent: February 10, 2004
    Assignee: Ritek Corporation
    Inventors: Nae-Jen Wang, Ching-Huang Chen, Li-Ling Lin, Chao-Nan Kuo, Wen-Dar Liu, Wan-Chun Chen, Shyh-yeu Wang
  • Dye for optical recording medium
    Publication number: 20030148216
    Abstract: An optical recording medium dye is described.
    Type: Application
    Filed: September 17, 2002
    Publication date: August 7, 2003
    Inventors: Nae-Jen Wang, Ching-Huang Chen, Li-Ling Lin, Chao-Nan Kuo, Wen-Dar Liu, Wan-Chun Chen, Shyh-yeu Wang
  • Process for preparing alkoxy- and aryloxy-phenols
    Publication number: 20020123655
    Abstract: A process for preparing alkoxy- and aryloxy-phenols involves the steps of reacting a benzaldehyde derivative with a peracid to form a benzodioxole derivative, removing non-reacted peracid from the reaction mixture, and reacting the benzodioxole derivative in the reaction mixture with a hydrolyzing agent.
    Type: Application
    Filed: February 20, 2001
    Publication date: September 5, 2002
    Applicant: SINON CORPORATION
    Inventors: Lung-Huang Kuo, Chih-Da Lin, Shyh-Shyan Jwo, Li-Ling Lin, Shou-Lun Lee, Shi-Jen Tsai